The New General Catalogue of Nonstellar Astronomical Objects Ephemerides of Sun, Moon and planets Satellite Visibility (DLR, including Iridium Flare visibility) The Earth Satellite Ephemeris Service The STScI Digitized Sky Survey Satellite Tracking Pass Predictions The APS Catalog of the POSS I The STScI Digitized Sky Survey Location of the Mir Space Station & Current flights over Munic SkyView - a Virtual Observatory on the Net. SkyView generates images of any part of the sky at wavelengths in all regimes from radio to gamma-ray.